Suppose a study was done to determine if the average amount of sleep that students get the day before an exam is less than 6 hours.An SRS of 100 students from a university was taken and a mean of 5.5 hours was computed from the sample.The figure below provides the results of the analysis. 
What is the alternative hypothesis?
Definitions:
Holding Cost Rate
The expense incurred for storing unsold goods, including warehousing, insurance, and spoilage costs.
Economical
Characterized by efficiency and avoidance of waste; making prudent use of resources.
Holding Cost Rate
The cost associated with keeping inventory in storage, including warehousing, insurance, depreciation, and opportunity costs, usually expressed as a percentage of inventory value per unit of time.
Economical
Pertaining to the efficient use or management of resources to achieve a goal without wasteful expenditures.
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